Cut flank steak in half lengthwise; cut each half into thirds. Place in a heavy-duty zip lock plastic bag. Combine Jack Daniels' Grilling Sauce with red wine; pour mixture over steak. Seal bag and turn several times to coat steak. Marinate 4 to 24 hours in refrigerator, turning several times.
Discard marinade. Grill steak over medium heat to desired doneness, turning and brushing with additional Jack Daniels' Tennessee Hickory Mesquite Grilling Sauce.
Servings: 4